<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>文章列表</title>
    <link rel="stylesheet" href="./libs/bootstrap/css/bootstrap.min.css">
    <link rel="stylesheet" href="css/reset.css">
    <link rel="stylesheet" href="css/iconfont.css">
    <link rel="stylesheet" href="css/main.css">
    <script src="./libs/jquery-1.12.4.min.js"></script>
    <script src="./libs/bootstrap/js/bootstrap.min.js"></script>
    <!-- 引入模板引擎js文件 -->
    <script src="./libs/template-web.js"></script>
</head>

<body>
    <div class="container-fluid">
        <div class="common_title">
            文章类别管理
        </div>
        <div class="container-fluid common_con">
            <table class="table table-striped table-bordered table-hover mp20 category_table">
                <thead>
                    <tr>
                        <th>名称</th>
                        <th>Slug</th>
                        <th class="text-center" width="100">操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr>
                        <td>奇趣事</td>
                        <td>funny</td>
                        <td class="text-center">
                            <a href="javascript:void(0)" data-toggle="modal" class=" btn btn-info btn-xs">编辑</a>
                            <a href="javascript:void(0)" class="btn btn-danger btn-xs">删除</a>
                        </td>
                    </tr>
                </tbody>
                <tfoot>
                    <tr>
                        <td colspan="3" class="text-center">
                            <button class="btn btn-success" id="xinzengfenlei" data-toggle="modal"
                                data-target="#myModal">新增分类</button>
                        </td>
                    </tr>
                </tfoot>
            </table>
        </div>
    </div>

    <!-- 模态框结构代码 -->
    <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
                            aria-hidden="true">&times;</span></button>
                    <h4 class="modal-title" id="exampleModalLabel">New message</h4>
                </div>
                <div class="modal-body">
                    <form>
                        <!-- 准备一个隐藏域,来保存文章类别id -->
                        <input type="hidden" id="categoryId" value="" name="id">
                        <div class="form-group">
                            <label for="recipient-name" class="control-label">分类名称:</label>
                            <input type="text" class="form-control" id="recipient-name" name="name">
                        </div>
                        <div class="form-group">
                            <label for="message-text" class="control-label">分类别名:</label>
                            <input class="form-control" id="message-text" name="slug"></input>
                        </div>
                    </form>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default" data-dismiss="modal">取消</button>
                    <button type="button" class="btn btn-primary" id="save">Send message</button>
                </div>
            </div>
        </div>
    </div>

</html>
<script src="./libs/https.js"></script>
<script>
    $(function () {
        // 1. 获得文章类别数据
        function loadData() {
            $.ajax(
                {
                    url: BigNew.category_list,
                    success: function (backData) {
                        if (backData.code == 200) {
                            // 2. 根据返回的数据,渲染页面结构
                            let htmlStr = '';
                            $.each(backData.data, function (index, value) {
                                htmlStr += `
                                <tr>
                                    <td>${value.name}</td>
                                    <td>${value.slug}</td>
                                    <td class="text-center">
                                        <a href="javascript:void(0)" data-id="${value.id}" data-toggle="modal"
                                        data-target="#myModal" class=" btn btn-info btn-xs">编辑</a>
                                        <a href="javascript:void(0)" data-id="${value.id}"  class="btn btn-del btn-danger btn-xs">删除</a>
                                    </td>
                                </tr>`
                            })
                            // 3. 将生成的标签字符串添加到tbody中
                            $('tbody').html(htmlStr);
                        }
                    }
                }
            )
        }
        loadData();

        // 4. 当模态框显示的时候,判断是由谁触发的
        // 通过e.relatedTarget,可以获得触发的元素
        $('#myModal').on('show.bs.modal', function (e) {
            // 5. 判断是新增还是编辑,修改样式
            if (e.relatedTarget.innerText == '新增分类') {
                $('.modal-title').text('新增分类');
                $('#save').text('新增').addClass('btn-success').removeClass('btn-info');
            } else {
                $('.modal-title').text('编辑分类');
                $('#save').text('编辑').addClass('btn-info').removeClass('btn-success');
                // 6. 获得需要修改的类别数据
                let dataId = $(e.relatedTarget).attr('data-id');
                $.ajax(
                    {
                        url: BigNew.category_search,
                        data: {
                            id: dataId
                        },
                        success: function (backData) {
                            if (backData.code == 200) {
                                // 7. 将返回的数据渲染到结构中
                                $('#recipient-name').val(backData.data[0].name);
                                $('#message-text').val(backData.data[0].slug);
                                $('#categoryId').val(backData.data[0].id);// 将文章类别id保存到隐藏域中
                            }
                        }
                    }
                )
            }
        })

        // 8. 当模态框隐藏的时候,清空数据
        $('#myModal').on('hidden.bs.modal', function (e) {
            $('#recipient-name').val('');
            $('#message-text').val('');
        })

        // 9. 给模态框中新增/编辑按钮设置事件
        $('#save').on('click',function () {
            // 10. 当前是新增功能还是编辑功能
            if ($(this).text() == '新增') {
                // 11. 获得输入的文章类别数据
                let name = $('#recipient-name').val().trim();
                let slug = $('#message-text').val().trim();

                // 12. 非空判断
                if (name == '' || slug == '') {
                    return;
                }

                // 13. 发起ajax请求,添加新的文章类别
                $.ajax(
                    {
                        type:'post',
                        url: BigNew.category_add,
                        data: {
                            name: name,
                            slug: slug
                        },
                        success: function (backData) {
                            if (backData.code == 201) {
                                // 14. 手动隐藏模态框
                                $('#myModal').modal('hide');

                                // 15. 重新加载页面数据
                                loadData();
                            }
                        }
                    }
                )

            } else {
                // 16. 利用表单域快速获得参数
                // 必须保证控件的name值等于参数key
                let data = $('form').serialize();

                // 17. 发起ajax请求,修改文章类别
                $.ajax(
                    {
                        type:'post',
                        url: BigNew.category_edit,
                        data: data,
                        success: function (backData) {
                            if (backData.code == 200) {
                                $('#myModal').modal('hide');
                                loadData();
                            }
                        }
                    }
                )
            }
        })

        // 18. 设置删除按钮事件
        $('tbody').on('click','.btn-del', function () {
            // 19. 获得当前文章类别id
            let categoryId = $(this).attr('data-id');
            // 20. 发起ajax请求
            $.ajax(
                {
                    type: 'post',
                    url: BigNew.category_delete,
                    data: {
                        id: categoryId
                    },
                    success: function (backData) {
                        if (backData.code == 204) {
                            loadData();
                        }
                    }
                }
            )
        })

    })
</script>